8831-PN Emergency release thumb turn and plate Material: Solid BrassFinish Options: Polished Nickel SKU: 8831-PN Categories: Door Locks, Door Locks and Latches Tag: Polished Nickel Description Description Crescent thumb turn with 3/16″ square spindle and oval plate with removable plug. Provides for emergency release for deadbolts. Solid brass. Oval plate: 1-3/4″ x 1-3/16″